相关实验视频
Updated: Jun 29, 2025

07:25
Assessing Murine Resistance Artery Function Using Pressure Myography
Published on: June 7, 2013
22.2K
调节血压和功能障碍的遗传和表观遗传机制
1Department of Physiology, Tulane University Health Sciences Center, School of Medicine, New Orleans, LA.
Hypertension (Dallas, Tex. : 1979)
|March 28, 2024
概括
路易斯·K·达尔 (Lewis K. Dahl) 博士,是一位
科学领域:
- 遗传学和表观遗传学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 心血管疾病 心血管疾病
背景情况:
- 高血压 (BP) 是一种遗传性特征,受遗传和环境的影响.
- 它是脏,心血管和脑血管疾病的主要危险因素.
- 了解BP监管对于公共卫生至关重要.
研究的目的:
- 审查影响BP的遗传变异,突变和表观遗传因素.
- 探索它们在高血压和功能障碍中的作用.
- 突出导致高血压的分子机制.
主要方法:
- 全基因组关联研究 (GWAS) 的审查.
- 对遗传变异和单核酸多态 (SNP) 的分析.
- 检查表观遗传重编程和基因表达变化.
主要成果:
- GWAS已经确定了许多影响BP的遗传变异.
- 特定的遗传和表观遗传因素与高血压有关.
- 这些因素会改变基因表达,影响血压调节和功能.
结论:
- 遗传和表观遗传因素在高血压中起着重要作用.
- 了解这些分子机制是管理高血压和病的关键.
- 对这些途径的进一步研究可以为治疗策略提供信息.
更多相关视频
08:21A Modified Two Kidney One Clip Mouse Model of Renin Regulation in Renal Artery Stenosis
Published on: October 26, 2020
4.8K
08:08Two-photon Imaging of Intracellular Ca2+ Handling and Nitric Oxide Production in Endothelial and Smooth Muscle Cells of an Isolated Rat Aorta
Published on: June 10, 2015
11.3K
相关概念视频
Hypertension and Regulation of Blood Pressure
2.1K
Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
2.1K
Hormonal Regulation of Blood Pressure
2.6K
Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction...
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction...
2.6K
Hormonal Regulation
33.1K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
33.1K
Introduction to Urinary System
2.5K
The urinary system consists of two kidneys, two ureters, the urinary bladder, and the urethra.
The kidneys are bean-shaped organs located in the retroperitoneal space, on either side of the vertebral column, between the T12 and L3 vertebrae. They are partially protected by the rib cage and surrounded by perirenal fat, which provides cushioning. They are responsible for urine formation and play critical roles in regulating blood pressure, electrolyte levels, and hormone production. The ureters...
The kidneys are bean-shaped organs located in the retroperitoneal space, on either side of the vertebral column, between the T12 and L3 vertebrae. They are partially protected by the rib cage and surrounded by perirenal fat, which provides cushioning. They are responsible for urine formation and play critical roles in regulating blood pressure, electrolyte levels, and hormone production. The ureters...
2.5K
Blood Pressure
1.1K
Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
1.1K
Neural Regulation of Blood Pressure
2.8K
The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
2.8K